Home / 18,952.83-28,441.55-8,564.67

Finding the Fourth Proportional to 18,952.83, 28,441.55 and 8,564.67

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Solution

The fourth proportional to 18,952.83, 28,441.55 and 8,564.67 is: 12,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.83 : 28,441.55 = 8,564.67 : x
  2. Step 2: Convert to fraction form
    18,952.83/28,441.55 = 8,564.67/x
  3. Step 3: Cross multiply
    18,952.83x = 28,441.55 × 8,564.67
  4. Step 4: Simplify right side
    18,952.83x = 243,592,447.22
  5. Step 5: Solve for x
    x = 243,592,447.22/18,952.83
  6. Step 6: Final answer
    x = 12,852.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.